[jira] [Commented] (HBASE-10765) TestHBaseFsck#testNoHdfsTable doesn't clear region cache

["Ted Yu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-10765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13937225#comment-13937225 ] 

Ted Yu commented on HBASE-10765:
--------------------------------

>From https://builds.apache.org/job/HBase-TRUNK/5018/testReport/org.apache.hadoop.hbase.util/TestHBaseFsck/testHbckThreadpooling/ :
{code}
Number of empty REGIONINFO_QUALIFIER rows in hbase:meta: 1
  keyvalues={NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14./info:seqnumDuringOpen/1345566/Put/vlen=8/mvcc=0, NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14./info:server/1345566/Put/vlen=21/mvcc=0, NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14./info:serverstartcode/1345566/Put/vlen=8/mvcc=0}
Number of Tables: 3
  Table: hbase:namespace	rw	    	 families: 1
  Table: tableBadMetaAssign	rw	    	 families: 1
  Table: tableDupeStartKey	rw	    	 families: 1
{code}
We can see tables from two other tests: tableBadMetaAssign and NoHdfsTable.

> TestHBaseFsck#testNoHdfsTable doesn't clear region cache
> --------------------------------------------------------
>
>                 Key: HBASE-10765
>                 URL: https://issues.apache.org/jira/browse/HBASE-10765
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 10765-v1.txt
>
>
> TestHBaseFsck#testNoHdfsTable doesn't call deleteTable(), which clears region cache for the connection, at the end of the test due to the way the test is constructed.
> However, region cache for the underlying connection should be cleared.
> I found this issue when investigating test failure such as the following:
> https://builds.apache.org/job/HBase-TRUNK/5018/testReport/org.apache.hadoop.hbase.util/TestHBaseFsck/testHbckThreadpooling/



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